#VU67507 NULL pointer dereference in Ghostscript - CVE-2022-2085
Published: September 20, 2022 / Updated: April 6, 2023
Vulnerability identifier: #VU67507
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-2085
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ghostscript
Ghostscript
Software vendor:
Artifex Software, Inc.
Artifex Software, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://bugs.ghostscript.com/show_bug.cgi?id=704945
- http://git.ghostscript.com/?p=ghostpdl.git;h=ae1061d948d88667bdf51d47d918c4684d0f67df
- https://bugzilla.redhat.com/show_bug.cgi?id=2095261
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/